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Tashi: I was very introverted, and then I saw the woman and thought it was.《硬骨头》全方位再现抗战即将胜利时，东三省敌后斗争十分残酷，林海雪原间一批抗战十四年的硬骨头组成了让鬼子闻风丧胆的钢刺队，在党的领导下，钢刺顽强地与关东军周旋斗争，以命相搏，用鲜血与生命去完成一个几乎不可完成的终极任务武陵蛮向来自成一家，以前虽然处在楚地，但是楚国人对他们一直是没有办法，只能是控制着让他们不生事就好。Sichuan Province　　军分区成立水上游击队，丁水妹成为副队长，队长就是她很讨厌的老魏，丁水妹对老魏处处刁难，尤其是发现老魏不会水后，更成为了一个巨大的笑柄。三天前，有一个莫名其妙的人让他试镜一个角色，他才在小本子上记下了这句话。B) Design principles. Many people have listed seven principles, such as single duty principle, opening and closing principle, Richter substitution principle, dependence inversion principle, interface isolation principle, composite reuse principle and Dimit principle. LSP, I elevated it to one of the three cornerstones of the object-oriented paradigm; Single responsibility and interface isolation are mainly used as the principle of responsibility division in object-oriented analysis/OOA, which you can not pay much attention to at this time. Relying on the inversion principle, I throw it away as garbage, because the opening and closing principle or directly "relying on abstract type principle" already contains the essence of relying on the inversion principle, while the dross of relying on the inversion principle is inherited by IoC. Of course, the pullback, I emphasize very much. Therefore, you need to master the abstract dependency principle (OCP), one-way dependency principle (including the learning of callbacks) and the minimum dependency principle (composite reuse principle, Dimit rule).